def test(a):
    print(a)
    print(id(a))

    a += a
    print(a)
    print(id(a))


b = 100
test(b)
"""
100
140733352832944
200
140733352836144
"""

c = [11, 22]
test(c)
"""
[11, 22]
3044911702664
[11, 22, 11, 22]
3044911702664
"""
